Used Bruel & Kjaer 2669B 1/2" Microphone Preamplifier

1/2" Microphone Preamplifier

Order #: 2669B-USED

Mfg #: 2669B

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Designed to operate over a wide range of temperature, humidity and other environmental conditions. Connector: lemo 0B 7-pin
Sound measurements with Bruel & Kjaer 1/2" (1", 1/4" and 1/8" with adaptor) and compatible microphones General-purpose preamplifier and high-impedance input probe for Bruel & Kjaer measuring instruments Features
Full electromagnetic compatibility (EMC)
Detachable, thin cable for easy installation
Compact LEMO connector at preamplifier
Patented charge-injection calibration technique for on-site calibration of the whole measuring channel including the microphone
Wide dynamic range
Very low inherent noise, high input impedance
Low output impedance and high output current allows use with long extension cables
Wide working temperature range

bruel & kjaer 2669 microphone preamplifier data sheet